<template>
    <div>
        <div id="slider" class="mui-slider">
            <div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                <div class="mui-scroll">
                    <a :class="['mui-control-item',item.id == 0 ? 'mui-active':'']" v-for="item in cates" :key="item.id"
                    @tap="getPhotoListBycateId(item.id)">
                        {{item.title}}
                    </a>
                </div>
            </div>

        </div>

        <ul class="photo-list">
            <router-link v-for="item in list" :key="item.id" :to="'/home/photoinfo/'+item.id" tag="li">
                <img v-lazy="item.img_url">
                <div class="info">
                    <h1 class="info-title">{{item.title}}</h1>
                    <div class="info-body">{{item.zhaiyao}}</div>
                </div>
            </router-link>
        </ul>
    </div>
</template>

<script>
import mui from '../../lib/js/mui.min.js'
export default {
    data(){
        return{
            cates:[],
            list:[]
        };
    },
    created(){
        this.getAllCategory();
        this.getPhotoListBycateId(0);
    },
    mounted(){
        mui('.mui-scroll-wrapper').scroll({
            deceleration:0.0005
        });
    },
    methods:{
        getAllCategory(){
            this.$http.get('api/getimgcategory').then(result=>{
                if(result.body.status===0){
                    result.body.message.unshift({title:"全部",id:0});
                    this.cates=result.body.message
                }
            })
        },
        getPhotoListBycateId(cateId){
            this.$http.get('api/getimages/'+cateId).then(result=>{
                if(result.body.status===0){
                    this.list=result.body.message;
                }
            })
        }
    }
};
</script>

<style lang="scss" scoped>
*{
    touch-action: pan-y;
}
.photo-list{
    list-style: none;
    margin: 0;
    padding: 10px;
    li{
        background-color: #ccc;
        text-align: center;
        margin-bottom: 10px;
        box-shadow: 0 0 9px #999;
        position: relative;
        img{
            width: 100%;
            vertical-align: middle;
        }
        img[lazy=loading]{
            widows: 40px;
            height: 300px;
            margin: auto;
        }

        .info{
            text-align: left;
            color: white;
            position: absolute;
            bottom: 0;
            background-color: rgba(0,0,0,0.4);
            max-height: 84px;
            .info-title{
                font-size: 14px;
            }
            .info-body{
                font-size: 13px;
            }
        }
    }
}

</style>
